95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/*
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*Copyright (c) 2013, The Linux Foundation. All rights reserved.
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*Not a Contribution, Apache license notifications and license are retained
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*for attribution purposes only.
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*Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DASH_PACKET_SOURCE_H_
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#define DASH_PACKET_SOURCE_H_
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#include <media/stagefright/foundation/ABase.h>
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#include <media/stagefright/MediaSource.h>
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#include <utils/threads.h>
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#include <utils/List.h>
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#include "ATSParser.h"
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namespace android {
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struct ABuffer;
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struct DashPacketSource : public MediaSource {
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DashPacketSource(const sp<MetaData> &meta);
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void setFormat(const sp<MetaData> &meta);
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virtual status_t start(MetaData *params = NULL);
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virtual status_t stop();
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virtual sp<MetaData> getFormat();
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virtual status_t read(
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MediaBuffer **buffer, const ReadOptions *options = NULL);
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bool hasBufferAvailable(status_t *finalResult);
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// Returns the difference between the last and the first queued
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// presentation timestamps since the last discontinuity (if any).
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int64_t getBufferedDurationUs(status_t *finalResult);
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status_t nextBufferTime(int64_t *timeUs);
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void queueAccessUnit(const sp<ABuffer> &buffer);
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void queueDiscontinuity(
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ATSParser::DiscontinuityType type, const sp<AMessage> &extra);
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void signalEOS(status_t result);
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status_t dequeueAccessUnit(sp<ABuffer> *buffer);
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void updateFormat(const sp<MetaData> &meta);
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int getQueueSize();
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status_t getStreamInfo(unsigned& streamPID, unsigned& programPID, uint64_t& firstPTS);
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void setStreamInfo(unsigned streamPID, unsigned programPID, uint64_t firstPTS);
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status_t nextBufferIsSync(bool* isSyncFrame);
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protected:
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virtual ~DashPacketSource();
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private:
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Mutex mLock;
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Condition mCondition;
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bool mIsAudio;
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sp<MetaData> mFormat;
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List<sp<ABuffer> > mBuffers;
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status_t mEOSResult;
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unsigned mStreamPID;
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unsigned mProgramPID;
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uint64_t mFirstPTS;
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bool wasFormatChange(int32_t discontinuityType) const;
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DISALLOW_EVIL_CONSTRUCTORS(DashPacketSource);
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};
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} // namespace android
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#endif // DASH_PACKET_SOURCE_H_
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